Oxygen is a gas that we need to survive. Under normal circumstances, the concentration of oxygen is normal, but in some closed environments with poor ventilation, there will be oxygen enrichment or hypoxia. When the oxygen content exceeds the normal concentration we accept, once a person is in such an environment, an accident will occur.
Let’s first talk about the damage of oxygen enrichment to the human body?
The most direct impact of oxygen enrichment on human health is the impact on free radicals. Free radicals play a vital role in our body. It can be said that if there are no free radicals in the body, our life cannot continue for a moment. When we are in an oxygen-rich environment, the free radicals that are vital to us will be affected by it. The change of free radicals not only affects our oxidation reaction ability, but also damages nucleic acid substances, our proteins and lipids. In addition, in an oxygen-rich environment, the oxygen concentration is very high. Once a fire or explosion occurs in such an environment, its harm is much greater than that in a normal oxygen environment.
So what are the damages to the human body in an oxygen-deficient environment?
Hypoxia can cause functional, metabolic and morphological changes in the human body. In an oxygen-deficient environment, the human central nervous system, cardiovascular, respiratory, liver, kidney and tissue cells will be affected. Long-term living in an oxygen-deficient environment will cause irreversible damage to brain tissue. Moderate hypoxia will cause mental symptoms such as fatigue, apathy, drowsiness, and incoherent speech. When the hypoxia worsens, it will cause cerebral edema, increased intracranial pressure, and even brain cell death.
Therefore, it is unsafe in a space whether it is negative oxygen or hypoxia. This situation usually occurs in limited and confined spaces, where the ventilation environment is poor and the air is not circulated. Before entering, it is necessary to use an oxygen detector to effectively detect the oxygen concentration in the space. If the oxygen concentration in the space is rich in oxygen or hypoxic, the oxygen gas leak alarm will send out an audible and visual alarm signal to remind the on-site staff to give a timely warning and make correct handling of this situation, such as ventilating the air in the space.
The oxygen detector is a necessary safety instrument for safety preparations before entering a limited space. Safety production cannot be separated from the assistance and cooperation of safety instruments. It is also hoped that the on-site staff can improve their own safety vigilance and must not trust their own experience too much.
